Home / 642,070,414.20-963,105,621.30-157,396,222.20

Finding the Fourth Proportional to 642,070,414.20, 963,105,621.30 and 157,396,222.20

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Solution

The fourth proportional to 642,070,414.20, 963,105,621.30 and 157,396,222.20 is: 236,094,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,070,414.20 : 963,105,621.30 = 157,396,222.20 : x
  2. Step 2: Convert to fraction form
    642,070,414.20/963,105,621.30 = 157,396,222.20/x
  3. Step 3: Cross multiply
    642,070,414.20x = 963,105,621.30 × 157,396,222.20
  4. Step 4: Simplify right side
    642,070,414.20x = 151,589,186,372,203,840
  5. Step 5: Solve for x
    x = 151,589,186,372,203,840/642,070,414.20
  6. Step 6: Final answer
    x = 236,094,333.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.